The SitePoint Forums have moved.

You can now find them here.
This forum is now closed to new posts, but you can browse existing content.
You can find out more information about the move and how to open a new account (if necessary) here.
If you get stuck you can get support by emailing forums@sitepoint.com

If this is your first visit, be sure to
check out the FAQ by clicking the
link above. You may have to register
before you can post: click the register link above to proceed. To start viewing messages,
select the forum that you want to visit from the selection below.

check for repeated numbers in an array

hi

i am reading data form excsl sheet in which first column is mobile numbers.

and then in a loop storing them one by one in databse table.

now i want to have a check that reapeated mobile numbers should not be entered in table.wht should i do to have this check? is thier sny function for this?
i was thinking to store mobile numbers in an aray and checking them. but i think it will take a bit of time.but if no other solution then how can i check in this manner also???